NASA will host a media teleconference at 3:30 p.m. EDT on Wednesday, April 29 to discuss recent images returned from the New Horizons spacecraft as it nears its historic July 14 encounter with Pluto. Officials also will provide an update on the timeline and significance of images the mission team will receive in the coming weeks.

Participants will be:

John Grunsfeld, associate administrator for the Science Mission Directorate, NASA Headquarters, Washington

Alan Stern, New Horizons principal investigator, Southwest Research Institute, Boulder, Colorado

Hal Weaver, New Horizons project scientist, Long Range Reconnaissance Imager telescopic camera instrument team, Johns Hopkins Applied Physics Laboratory in Laurel, Maryland

To participate by phone, media must contact Laurie Cantillo at 202-358-1077 or and provide their media affiliation no later than 2:30 p.m. Wednesday.

Audio of the teleconference will be streamed live at: 

For information about NASA’s New Horizons mission, visit: